Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>

Common stock purchase or sale:
Transaction Date |
Reported DateTime |
Company | Symbol | Insider Relationship |
Shares Traded |
Average Price |
Total Amount |
Shares Owned |
Filing |
2024-02-26 Sale |
2024-02-28 4:04 pm |
REGENERON PHARMACEUTICALS INC. | REGN | SING GEORGE L Director |
1,000 | $992.5 | $992,500 | 33,837 (Indirect Direct) |
View |
2024-02-22 Sale |
2024-02-26 4:07 pm |
REGENERON PHARMACEUTICALS INC. | REGN | SING GEORGE L Director |
3,500 | $967.86 | $3,387,500 | 41,675 (Indirect Direct) |
View |
2024-02-08 Sale |
2024-02-12 4:02 pm |
REGENERON PHARMACEUTICALS INC. | REGN | SING GEORGE L Director |
1,000 | $950 | $950,000 | 48,675 (Indirect Direct) |
View |
2022-02-25 Sale |
2022-03-01 4:03 pm |
REGENERON PHARMACEUTICALS INC. | REGN | SING GEORGE L Director |
4,000 | $618.25 | $2,473,000 | 28,199 (Indirect Direct) |
View |
2021-11-19 Sale |
2021-11-23 4:29 pm |
REGENERON PHARMACEUTICALS INC. | REGN | SING GEORGE L Director |
3,000 | $656.67 | $1,970,000 | 32,008 (Indirect Direct) |
View |
2021-11-16 Sale |
2021-11-18 4:09 pm |
REGENERON PHARMACEUTICALS INC. | REGN | SING GEORGE L Director |
10,750 | $653.5 | $7,025,080 | 35,008 (Indirect Direct) |
View |
2021-08-26 Sale |
2021-08-30 4:26 pm |
REGENERON PHARMACEUTICALS INC. | REGN | SING GEORGE L Director |
1,700 | $672 | $1,142,400 | 45,008 (Indirect Direct) |
View |
2021-08-16 Sale |
2021-08-17 4:17 pm |
REGENERON PHARMACEUTICALS INC. | REGN | SING GEORGE L Director |
1,705 | $628.53 | $1,071,650 | 47,458 (Indirect Direct) |
View |
2021-08-11 Sale |
2021-08-13 5:19 pm |
REGENERON PHARMACEUTICALS INC. | REGN | SING GEORGE L Director |
3,800 | $617.89 | $2,348,000 | 49,163 (Indirect Direct) |
View |
2021-08-06 Sale |
2021-08-10 5:00 pm |
REGENERON PHARMACEUTICALS INC. | REGN | SING GEORGE L Director |
6,950 | $612.36 | $4,255,877 | 52,963 (Indirect Direct) |
View |
2020-08-31 Sale |
2020-08-31 4:36 pm |
REGENERON PHARMACEUTICALS INC. | REGN | SING GEORGE L Director |
10,000 | $612.06 | $6,120,555 | 59,665 (Indirect Direct) |
View |
2020-08-25 Sale |
2020-08-27 4:23 pm |
REGENERON PHARMACEUTICALS INC. | REGN | SING GEORGE L Director |
33,750 | $607.42 | $20,500,518 | 69,665 (Indirect Direct) |
View |
2020-08-20 Sale |
2020-08-24 6:13 pm |
REGENERON PHARMACEUTICALS INC. | REGN | SING GEORGE L Director |
61,000 | $605.4 | $36,929,658 | 84,415 (Direct) |
View |
2020-07-07 Sale |
2020-07-08 4:16 pm |
REGENERON PHARMACEUTICALS INC. | REGN | SING GEORGE L Director |
10,500 | $650.05 | $6,825,474 | 120,115 (Indirect Direct) |
View |
2020-06-29 Sale |
2020-06-29 4:08 pm |
REGENERON PHARMACEUTICALS INC. | REGN | SING GEORGE L Director |
3,000 | $608.91 | $1,826,721 | 121,615 (Indirect Direct) |
View |
2020-05-28 Sale |
2020-06-01 4:08 pm |
REGENERON PHARMACEUTICALS INC. | REGN | SING GEORGE L Director |
2,000 | $587.75 | $1,175,510 | 125,265 (Indirect Direct) |
View |
2020-05-11 Sale |
2020-05-13 9:00 pm |
REGENERON PHARMACEUTICALS INC. | REGN | SING GEORGE L Director |
5,850 | $579.27 | $3,388,750 | 131,615 (Indirect Direct) |
View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date |
Reported DateTime |
Exercisable Expiration |
Company | Symnbol | Insider Relationship |
Shares Traded |
Conversion Price |
Shares Owned |
Filing |
2025-01-02 Option Award |
2025-01-03 4:02 pm |
N/A 2035-01-02 |
REGENERON PHARMACEUTICALS INC. | REGN | SING GEORGE L Director |
2,124 | $0 | 31,936 (Direct) |
View |
2024-12-31 Exercise |
2025-01-03 4:02 pm |
N/A 2025-01-02 |
REGENERON PHARMACEUTICALS INC. | REGN | SING GEORGE L Director |
3,338 | $0 | 31,936 (Direct) |
View |
2024-12-31 Exercise |
2025-01-03 4:02 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | SING GEORGE L Director |
3,338 | $413.33 | 31,936 (Direct) |
View |
2024-12-31 Tax Withholding |
2025-01-03 4:02 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | SING GEORGE L Director |
1,948 | $708.19 | 31,936 (Direct) |
View |
2024-09-04 Gift |
2024-09-05 4:01 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | SING GEORGE L Director |
1,200 | $0 | 28,422 (Direct) |
View |
2024-05-03 Exercise |
2024-05-06 4:20 pm |
N/A 2025-01-02 |
REGENERON PHARMACEUTICALS INC. | REGN | SING GEORGE L Director |
2,000 | $0 | 32,960 (Direct) |
View |
2024-05-03 Tax Withholding |
2024-05-06 4:20 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | SING GEORGE L Director |
877 | $942.53 | 32,960 (Direct) |
View |
2024-05-03 Exercise |
2024-05-06 4:20 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | SING GEORGE L Director |
2,000 | $413.33 | 32,960 (Direct) |
View |
2024-02-26 Exercise |
2024-02-28 4:04 pm |
N/A 2025-01-02 |
REGENERON PHARMACEUTICALS INC. | REGN | SING GEORGE L Director |
1,000 | $0 | 33,837 (Direct) |
View |
2024-02-26 Exercise |
2024-02-28 4:04 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | SING GEORGE L Director |
500 | $413.33 | 33,837 (Direct) |
View |
2024-02-22 Exercise |
2024-02-26 4:07 pm |
N/A 2025-01-02 |
REGENERON PHARMACEUTICALS INC. | REGN | SING GEORGE L Director |
3,500 | $0 | 41,675 (Direct) |
View |
2024-02-22 Exercise |
2024-02-26 4:07 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | SING GEORGE L Director |
1,500 | $413.33 | 41,675 (Direct) |
View |
2024-02-08 Exercise |
2024-02-12 4:02 pm |
N/A 2025-01-02 |
REGENERON PHARMACEUTICALS INC. | REGN | SING GEORGE L Director |
1,000 | $0 | 48,675 (Direct) |
View |
2024-02-08 Exercise |
2024-02-12 4:02 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | SING GEORGE L Director |
1,000 | $413.33 | 48,675 (Direct) |
View |
2024-01-02 Option Award |
2024-01-04 4:07 pm |
N/A 2034-01-02 |
REGENERON PHARMACEUTICALS INC. | REGN | SING GEORGE L Director |
1,742 | $0 | 30,106 (Direct) |
View |
2023-01-03 Option Award |
2023-01-05 4:19 pm |
N/A 2033-01-03 |
REGENERON PHARMACEUTICALS INC. | REGN | SING GEORGE L Director |
2,094 | $0 | 30,293 (Direct) |
View |
2022-01-03 Option Award |
2022-01-05 4:21 pm |
N/A 2032-01-03 |
REGENERON PHARMACEUTICALS INC. | REGN | SING GEORGE L Director |
2,898 | $0 | 34,906 (Direct) |
View |
2021-01-04 Option Award |
2021-01-05 4:32 pm |
N/A 2031-01-04 |
REGENERON PHARMACEUTICALS INC. | REGN | SING GEORGE L Director |
3,861 | $0 | 63,526 (Direct) |
View |
2020-08-25 Exercise |
2020-08-27 4:23 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | SING GEORGE L Director |
12,750 | $273.67 | 69,665 (Direct) |
View |
2020-08-25 Exercise |
2020-08-27 4:23 pm |
N/A 2024-01-02 |
REGENERON PHARMACEUTICALS INC. | REGN | SING GEORGE L Director |
12,750 | $0 | 69,665 (Direct) |
View |
2020-08-20 Exercise |
2020-08-24 6:14 pm |
N/A 2022-01-03 |
REGENERON PHARMACEUTICALS INC. | REGN | SING GEORGE L Director |
30,000 | $0 | 21,287 (Direct) |
View |
2020-08-21 Exercise |
2020-08-24 6:13 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | SING GEORGE L Director |
15,000 | $177.82 | 84,415 (Direct) |
View |
2020-08-20 Exercise |
2020-08-24 6:13 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | SING GEORGE L Director |
15,000 | $57.11 | 84,415 (Direct) |
View |
2020-07-07 Exercise |
2020-07-08 4:16 pm |
N/A 2021-01-03 |
REGENERON PHARMACEUTICALS INC. | REGN | SING GEORGE L Director |
7,500 | $0 | 120,115 (Direct) |
View |
2020-07-07 Exercise |
2020-07-08 4:16 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | SING GEORGE L Director |
7,500 | $33.42 | 120,115 (Direct) |
View |
2020-05-13 Exercise |
2020-05-13 9:00 pm |
N/A 2021-01-03 |
REGENERON PHARMACEUTICALS INC. | REGN | SING GEORGE L Director |
5,000 | $0 | 131,615 (Direct) |
View |
2020-05-13 Exercise |
2020-05-13 9:00 pm |
N/A N/A |
REGENERON PHARMACEUTICALS INC. | REGN | SING GEORGE L Director |
5,000 | $33.42 | 131,615 (Direct) |
View |